CVE-2001-0168: Att Winvnc

High severity, CVSS 10.0. EPSS: 70.7% chance of exploitation in the next 30 days.

Buffer overflow in AT&T WinVNC (Virtual Network Computing) server 3.3.3r7 and earlier allows remote attackers to execute arbitrary commands via a long HTTP GET request when the DebugLevel registry key is greater than 0.

Affected products

• Att Winvnc: up to and including 3.3.3r7

Published 2001-05-03. Last modified 2026-06-16.